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Finding the right partner: The catalyst system [NiCl2(PCy3)2] mediates the title transformation with high efficiency and allows aryl–aryl and vinyl–aryl coupling to proceed. The first example of catalytic cross-coupling using the pivalates and organozinc reagents is described (see scheme; Cy=cyclohexyl, piv=pivalate).
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Li et al. (2008) studied this question.
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